wordpad: native RegisterClassExW requires cbSize to be set.

[Dylan Smith]

On Windows XP, Wine's wordpad fails on RegisterClassExW because
the cbSize field isn't set.  This is a regression from commit
b2e7e5c3530a77d9af5819643e458e0fa0e32b78 because native RegisterClassW
doesn't seem to check the cbSize field.
---
 programs/wordpad/wordpad.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/programs/wordpad/wordpad.c b/programs/wordpad/wordpad.c
index c90e7b5..0bf5d0c 100644
--- a/programs/wordpad/wordpad.c
+++ b/programs/wordpad/wordpad.c
@@ -2671,6 +2671,7 @@ int CALLBACK WinMain(HINSTANCE hInstance, HINSTANCE hOldInstance, LPSTR szCmdPar
 
     hAccel = LoadAcceleratorsW(hInstance, wszAccelTable);
 
+    wc.cbSize = sizeof(wc);
     wc.style = CS_HREDRAW | CS_VREDRAW;
     wc.lpfnWndProc = WndProc;
     wc.cbClsExtra = 0;
-- 
1.7.0.4